Disneyland is about 17 times smaller than Biltmore Estate.

Biltmore Estate is approximately 9.27 km² (3.58 sq mi), while Disneyland is approximately 0.55 km² (0.21 sq mi), making Disneyland 5.97% the size of Biltmore Estate.
Tip: This to-scale comparison of Biltmore Estate vs. Disneyland uses the Mercator projection, which distorts the size of regions near the poles.
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